20393825580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{38921}}^1$

素因数の和:39048

約数の個数: 144

約数和(自身を含む): 64264269888

約数和(自身を除く): 43870444308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 71, 82, 90, 123, 142, 164, 180, 205, 213, 246, 284, 355, 369, 410, 426, 492, 615, 639, 710, 738, 820, 852, 1065, 1230, 1278, 1420, 1476, 1845, 2130, 2460, 2556, 2911, 3195, 3690, 4260, 5822, 6390, 7380, 8733, 11644, 12780, 14555, 17466, 26199, 29110, 34932, 38921, 43665, 52398, 58220, 77842, 87330, 104796, 116763, 130995, 155684, 174660, 194605, 233526, 261990, 350289, 389210, 467052, 523980, 583815, 700578, 778420, 1167630, 1401156, 1595761, 1751445, 2335260, 2763391, 3191522, 3502890, 4787283, 5526782, 6383044, 7005780, 7978805, 8290173, 9574566, 11053564, 13816955, 14361849, 15957610, 16580346, 19149132, 23936415, 24870519, 27633910, 28723698, 31915220, 33160692, 41450865, 47872830, 49741038, 55267820, 57447396, 71809245, 82901730, 95745660, 99482076, 113299031, 124352595, 143618490, 165803460, 226598062, 248705190, 287236980, 339897093, 453196124, 497410380, 566495155, 679794186, 1019691279, 1132990310, 1359588372, 1699485465, 2039382558, 2265980620, 3398970930, 4078765116, 5098456395, 6797941860, 10196912790, 20393825580]

約数ペア:

[(1, 20393825580), (2, 10196912790), (3, 6797941860), (4, 5098456395), (5, 4078765116), (6, 3398970930), (9, 2265980620), (10, 2039382558), (12, 1699485465), (15, 1359588372), (18, 1132990310), (20, 1019691279), (30, 679794186), (36, 566495155), (41, 497410380), (45, 453196124), (60, 339897093), (71, 287236980), (82, 248705190), (90, 226598062), (123, 165803460), (142, 143618490), (164, 124352595), (180, 113299031), (205, 99482076), (213, 95745660), (246, 82901730), (284, 71809245), (355, 57447396), (369, 55267820), (410, 49741038), (426, 47872830), (492, 41450865), (615, 33160692), (639, 31915220), (710, 28723698), (738, 27633910), (820, 24870519), (852, 23936415), (1065, 19149132), (1230, 16580346), (1278, 15957610), (1420, 14361849), (1476, 13816955), (1845, 11053564), (2130, 9574566), (2460, 8290173), (2556, 7978805), (2911, 7005780), (3195, 6383044), (3690, 5526782), (4260, 4787283), (5822, 3502890), (6390, 3191522), (7380, 2763391), (8733, 2335260), (11644, 1751445), (12780, 1595761), (14555, 1401156), (17466, 1167630), (26199, 778420), (29110, 700578), (34932, 583815), (38921, 523980), (43665, 467052), (52398, 389210), (58220, 350289), (77842, 261990), (87330, 233526), (104796, 194605), (116763, 174660), (130995, 155684)]